/Engine/Source/Runtime/Experimental/Iris/Core/Public/Iris/ReplicationState/Private/IrisFastArraySerializerInternal.h
Mark array dirty and mark changemask bit used for array Item as dirty and notify DirtyObjectTracker that the object is dirty if it has not been done before Currently the same changemask bit might be used to indicate dirtiness for multiple array items
static void MarkArrayItemDirty ( [FIrisFastArraySerializer](API\Runtime\IrisCore\Iris\ReplicationState\FIrisFastArraySerializer) & Array, int32 Index )